US Bridges

T-958 Boalsburg Pk over Spring Creek

Fair

Centre County, Pennsylvania · 700 Ft N of SR 45 · Structure no. 000000000009818

Built
1922
103 years old, rebuilt 1966
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
28 ft
1 main span
Daily traffic
1,470
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T-958 Boalsburg Pk over Spring Creek is a steel stringer/multi-beam or girder carrying T-958 Boalsburg Pk over Spring Creek in Centre County, Pennsylvania. It was built in 1922 and reconstructed in 1966, so it is 103 years old, older than the Pennsylvania average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 1,470 vehicles a day, roughly 1% of them trucks, projected to reach 2,084 by 2043. The structure is 28 ft (8.5 m) long and 47 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesT-958 Boalsburg Pk
CrossesSpring Creek
Location700 Ft N of SR 45
RouteCity Street 0
Coordinates40.78054, -77.79302
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating21.1 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length28 ft (8.5 m)
Longest span26 ft (7.9 m)
Deck width47 ft (14.4 m)
Roadway width41 ft (12.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,470 (2023)
Projected traffic2,084 by 2043
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$41,000
NavigationNo navigation control on waterway

Frequently asked questions

When was T-958 Boalsburg Pk over Spring Creek built?

It was built in 1922, making it 103 years old in 2025. It was reconstructed in 1966.

What condition is T-958 Boalsburg Pk over Spring Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in June 2023.

How much traffic does T-958 Boalsburg Pk over Spring Creek carry?

About 1,470 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is T-958 Boalsburg Pk over Spring Creek?

The structure is 28 ft (8.5 m) long with a longest span of 26 ft (7.9 m) and a deck 47 ft wide.

Who owns T-958 Boalsburg Pk over Spring Creek?

It is owned by the Town or Township Highway Agency.